noun ダウンロード 🔗共有 空洞, 穴 A hole or hollow depression. Examples : "The dentist found two small cavities in my back teeth. " 歯医者は私の奥歯に2つの小さな空洞を見つけました。 medicine anatomy disease body AIとチャット語彙ゲーム読解練習
noun ダウンロード 🔗共有 空洞, 腔 A hollow area within the body (such as the sinuses). Examples : ""When Sarah had a cold, her nasal cavities felt blocked and made it hard to breathe." " サラが風邪をひいたとき、鼻腔が詰まって呼吸が苦しく感じました。 anatomy medicine body organ AIとチャット語彙ゲーム読解練習
noun ダウンロード 🔗共有 虫歯, むし歯の穴 A small or large hole in a tooth caused by caries; often also a soft area adjacent to the hole also affected by caries. Examples : "The dentist told Maria she had two cavities and needed fillings. " 歯医者はマリアに虫歯が2つあり、詰め物が必要だと言いました。 medicine body disease anatomy AIとチャット語彙ゲーム読解練習